Analysis Overview
SHA256
aed9dfb7ea1e556b7c3046fd5169d0e335ec18b1f59bc88b45b8b419c100fe87
Threat Level: Known bad
The file 36fa8014af4492c716b6c183aa8bd2c3.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Detect PureCrypter injector
PureCrypter
Checks computer location settings
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2023-02-06 15:06
Signatures
Analysis: behavioral2
Detonation Overview
Submitted
2023-02-06 15:06
Reported
2023-02-06 15:08
Platform
win10v2004-20220901-en
Max time kernel
89s
Max time network
126s
Command Line
Signatures
Remcos
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1140 set thread context of 3492 | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Enumerates physical storage devices
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000_Classes\Local Settings | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe
"C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\SysWOW64\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\ysgrtpupgkqxxthorghbuyhs.vbs"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.129.233:443 | cdn.discordapp.com | tcp |
| US | 93.184.220.29:80 | tcp | |
| US | 8.8.8.8:53 | relocosrelocos.dyndns-at-home.com | udp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 20.42.73.24:443 | tcp | |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| NL | 178.79.208.1:80 | tcp | |
| NL | 104.80.225.205:443 | tcp |
Files
memory/1140-132-0x0000000000950000-0x0000000000958000-memory.dmp
memory/1140-133-0x0000000006AE0000-0x0000000006B02000-memory.dmp
memory/2452-134-0x0000000000000000-mapping.dmp
memory/2452-135-0x0000000002DA0000-0x0000000002DD6000-memory.dmp
memory/2452-136-0x0000000005640000-0x0000000005C68000-memory.dmp
memory/2452-137-0x0000000005CE0000-0x0000000005D46000-memory.dmp
memory/2452-138-0x0000000005D50000-0x0000000005DB6000-memory.dmp
memory/2452-139-0x0000000006380000-0x000000000639E000-memory.dmp
memory/2452-140-0x00000000079F0000-0x000000000806A000-memory.dmp
memory/2452-141-0x0000000006870000-0x000000000688A000-memory.dmp
memory/3492-142-0x0000000000000000-mapping.dmp
memory/3492-143-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3492-144-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3492-145-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3492-146-0x0000000000400000-0x000000000047F000-memory.dmp
memory/3492-147-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1544-148-0x0000000000000000-mapping.dmp
memory/3492-149-0x0000000000400000-0x000000000047F000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ysgrtpupgkqxxthorghbuyhs.vbs
| MD5 | 3db952c728fab3baa68a61db75d074c8 |
| SHA1 | 67f61b864fe60acee701cea9cb65469395ff8f30 |
| SHA256 | b1860633c96be2e60353cf76801c6ea53df1761af69383337b297487748a044b |
| SHA512 | a1046e6de280772b293d7f4bb1afd2729d0f435265591ed3e3861607ab8366176e3d53b1a1b628d1adaa396475d6612ea8531ee593198e9ac99d1f5d5bbecea1 |
Analysis: behavioral1
Detonation Overview
Submitted
2023-02-06 15:06
Reported
2023-02-06 15:08
Platform
win7-20221111-en
Max time kernel
150s
Max time network
152s
Command Line
Signatures
Detect PureCrypter injector
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
PureCrypter
Remcos
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1432 set thread context of 1588 | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe
"C:\Users\Admin\AppData\Local\Temp\36fa8014af4492c716b6c183aa8bd2c3.exe"
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | cdn.discordapp.com | udp |
| US | 162.159.129.233:443 | cdn.discordapp.com | tcp |
| US | 8.8.8.8:53 | relocosrelocos.dyndns-at-home.com | udp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| US | 8.8.8.8:53 | relocosrelocos.dyndns-at-home.com | udp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
| CO | 181.128.108.153:3078 | relocosrelocos.dyndns-at-home.com | tcp |
Files
memory/1432-54-0x0000000000DD0000-0x0000000000DD8000-memory.dmp
memory/1432-55-0x0000000076391000-0x0000000076393000-memory.dmp
memory/1432-56-0x0000000006B90000-0x0000000006E2C000-memory.dmp
memory/820-57-0x0000000000000000-mapping.dmp
memory/820-59-0x000000006F3F0000-0x000000006F99B000-memory.dmp
memory/820-60-0x000000006F3F0000-0x000000006F99B000-memory.dmp
memory/820-61-0x000000006F3F0000-0x000000006F99B000-memory.dmp
memory/1432-62-0x00000000052C0000-0x0000000005340000-memory.dmp
memory/1588-63-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-64-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-66-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-68-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-69-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-70-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-71-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-73-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-76-0x0000000000432BD1-mapping.dmp
memory/1588-75-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-79-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-80-0x0000000000400000-0x000000000047F000-memory.dmp
memory/1588-81-0x0000000000400000-0x000000000047F000-memory.dmp